fixed statfs.f_type signed vs unsigned comparisons

[elogind.git] / src / readahead / readahead-collect.c

diff --git a/src/readahead/readahead-collect.c b/src/readahead/readahead-collect.c
index 643a5a8ceaa560d8f87b58dca802a3c12fa750a2..6d7db4fae5bfe63bbe7a531cd2f9efff66ff685c 100644 (file)
--- a/src/readahead/readahead-collect.c
+++ b/src/readahead/readahead-collect.c
@@ -75,10 +75,7 @@ static usec_t starttime;
 #define PTR_TO_SECTOR(p) (PTR_TO_ULONG(p)-1)
 
 static int btrfs_defrag(int fd) {
-        struct btrfs_ioctl_vol_args data;
-
-        zero(data);
-        data.fd = fd;
+        struct btrfs_ioctl_vol_args data = { .fd = fd };
 
         return ioctl(fd, BTRFS_IOC_DEFRAG, &data);
 }
@@ -186,11 +183,10 @@ static unsigned long fd_first_block(int fd) {
         struct {
                 struct fiemap fiemap;
                 struct fiemap_extent extent;
-        } data;
-
-        zero(data);
-        data.fiemap.fm_length = ~0ULL;
-        data.fiemap.fm_extent_count = 1;
+        } data = {
+                .fiemap.fm_length = ~0ULL,
+                .fiemap.fm_extent_count = 1,
+        };
 
         if (ioctl(fd, FS_IOC_FIEMAP, &data) < 0)
                 return 0;
@@ -238,7 +234,7 @@ static int collect(const char *root) {
                 FD_INOTIFY,   /* We get notifications to quit early via this fd */
                 _FD_MAX
         };
-        struct pollfd pollfd[_FD_MAX];
+        struct pollfd pollfd[_FD_MAX] = {};
         int fanotify_fd = -1, signal_fd = -1, inotify_fd = -1, r = 0;
         pid_t my_pid;
         Hashmap *files = NULL;
@@ -291,8 +287,7 @@ static int collect(const char *root) {
                 goto finish;
         }
 
-        fanotify_fd = fanotify_init(FAN_CLOEXEC|FAN_NONBLOCK,
-                                    O_RDONLY|O_LARGEFILE|O_CLOEXEC|O_NOATIME);
+        fanotify_fd = fanotify_init(FAN_CLOEXEC|FAN_NONBLOCK, O_RDONLY|O_LARGEFILE|O_CLOEXEC|O_NOATIME);
         if (fanotify_fd < 0)  {
                 log_error("Failed to create fanotify object: %m");
                 r = -errno;
@@ -315,7 +310,6 @@ static int collect(const char *root) {
 
         my_pid = getpid();
 
-        zero(pollfd);
         pollfd[FD_FANOTIFY].fd = fanotify_fd;
         pollfd[FD_FANOTIFY].events = POLLIN;
         pollfd[FD_SIGNAL].fd = signal_fd;
@@ -511,7 +505,7 @@ done:
         on_ssd = fs_on_ssd(root) > 0;
         log_debug("On SSD: %s", yes_no(on_ssd));
 
-        on_btrfs = statfs(root, &sfs) >= 0 && (long) sfs.f_type == (long) BTRFS_SUPER_MAGIC;
+        on_btrfs = statfs(root, &sfs) >= 0 && (unsigned) sfs.f_type == BTRFS_SUPER_MAGIC;
         log_debug("On btrfs: %s", yes_no(on_btrfs));
 
         if (asprintf(&pack_fn_new, "%s/.readahead.new", root) < 0) {